135 lines
17 KiB
XML
135 lines
17 KiB
XML
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<mods:title id="805B97DEBBDFE4FE153B2F28F6779505">A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes</mods:title>
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<mods:namePart id="4DC1E74768D5943FDEA58A9D057433F3">Moreira, Camila Do Nascimento</mods:namePart>
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<mods:namePart id="89FEA8EBA488D50949369860454A4C3B">Ventura, Karen</mods:namePart>
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<mods:namePart id="F435F650BF600E8C9C3DF1C69056EA9C">Percequillo, Alexandre Reis</mods:namePart>
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<mods:nameIdentifier id="0D14D63930063B691C0C689D8812DD8B" type="email">cmoreirabio@gmail.com</mods:nameIdentifier>
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<mods:namePart id="9587D94B56451C17EC60AB973EA45B56">Yonenaga-Yassuda, Yatiyo</mods:namePart>
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<mods:title id="49CB1AC6BCD6213B20233E9161C591C2">Zootaxa</mods:title>
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<mods:date id="620DF38AF68DF4BCC0125E8A41BF4B31">2020</mods:date>
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<treatment id="03A587ED322EFFC783E9F99C2899FDA6" ID-DOI="http://doi.org/10.5281/zenodo.4566404" ID-GBIF-Taxon="179917861" ID-Zenodo-Dep="4566404" LSID="urn:lsid:plazi:treatment:03A587ED322EFFC783E9F99C2899FDA6" httpUri="http://treatment.plazi.org/id/03A587ED322EFFC783E9F99C2899FDA6" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18">
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<subSubSection id="C3166570322EFFC483E9F99C2DACF9B2" box="[151,391,1627,1653]" pageId="17" pageNumber="18" type="nomenclature">
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<paragraph id="8BB336FB322EFFC483E9F99C2DACF9B2" blockId="17.[151,1437,1627,2013]" box="[151,391,1627,1653]" pageId="17" pageNumber="18">
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<heading id="D0FB8197322EFFC483E9F99C2DACF9B2" box="[151,391,1627,1653]" fontSize="11" level="2" pageId="17" pageNumber="18" reason="5">
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<taxonomicName id="4C0C4D78322EFFC483E9F99C2DACF9B2" baseAuthorityName="Thomas" baseAuthorityYear="1906" box="[151,391,1627,1653]" class="Mammalia" family="Muridae" genus="Holochilus" kingdom="Animalia" order="Rodentia" pageId="17" pageNumber="18" phylum="Chordata" rank="species" species="chacarius">
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<emphasis id="B978EAE9322EFFC483E9F99C2DACF9B2" box="[151,391,1627,1653]" italics="true" pageId="17" pageNumber="18">Holochilus chacarius</emphasis>
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</taxonomicName>
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</heading>
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<paragraph id="8BB336FB322EFFC783B9F9B82D74FE86" blockId="17.[151,1437,1627,2013]" lastBlockId="18.[151,1437,151,609]" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18">
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Karyotype: 2n = 48 and FN = 56. Autosomal complement: five metacentric pairs (four large and one small), and 18 acrocentric pairs medium to small decreasing in size. Sex chromosomes: X, a medium acrocentric; Y, a small acrocentric. C-banding metaphases exhibited blocks of constitutive heterochromatin on the pericentromeric region of all autosomes, with the exception of one large metacentric pair. The X chromosome presented pericentromeric heterochromatic blocks, the Y chromosome was almost entirely heterochromatic. G-banding was also performed (
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<bibRefCitation id="EF9D4B0A322EFFC483E1F8F42DE9F88A" author="Nachman, M. W. & Myers, P." box="[159,450,1843,1869]" pageId="17" pageNumber="18" pagination="6666 - 6670" refId="ref70167" refString="Nachman, M. W. & Myers, P. (1989) Exceptional chromosomal mutations in a rodent population are not strongly underdominant. Proceedings of the National Academy of Sciences, 86, 6666 - 6670. https: // doi. org / 10.1073 / pnas. 86.17.6666" type="journal article" year="1989">Nachman & Myers 1989</bibRefCitation>
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, pp 6668,
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<figureCitation id="13372A7E322EFFC48141F8F42EB1F88A" box="[575,666,1843,1869]" captionStart="FIGURE 1" captionStartId="4.[151,250,1976,2000]" captionTargetBox="[165,1422,1069,1943]" captionTargetId="figure-342@4.[159,1429,1062,1950]" captionTargetPageId="4" captionText="FIGURE 1. Collection localities of Oryzomyini species analyzed in this work. (1) Claúdia, Mato Grosso state; (2) and (3) Rio Japurá, Amazonas state; (4) and (5) Rio Içá, Amazonas state." figureDoi="http://doi.org/10.5281/zenodo.4423617" httpUri="https://zenodo.org/record/4423617/files/figure.png" pageId="17" pageNumber="18">Fig. 1A</figureCitation>
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). The karyotype of
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<taxonomicName id="4C0C4D78322EFFC480FCF8F4283EF88A" baseAuthorityName="Thomas" baseAuthorityYear="1906" box="[898,1045,1843,1869]" class="Mammalia" family="Muridae" genus="Holochilus" kingdom="Animalia" order="Rodentia" pageId="17" pageNumber="18" phylum="Chordata" rank="species" species="chacarius">
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<emphasis id="B978EAE9322EFFC480FCF8F4283EF88A" box="[898,1045,1843,1869]" italics="true" pageId="17" pageNumber="18">H. chacarius</emphasis>
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</taxonomicName>
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was highly variable, with diploid number ranging from 48 to 55, and fundamental number from 56 to 60. This variation occurs within and between populations from
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<collectingCountry id="F31B766B322EFFC48223F8BC2DEEF852" box="[349,453,1915,1941]" name="Paraguay" pageId="17" pageNumber="18">Paraguay</collectingCountry>
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and
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<collectingCountry id="F31B766B322EFFC48284F8BC2E42F852" box="[506,617,1915,1941]" name="Argentina" pageId="17" pageNumber="18">Argentina</collectingCountry>
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(
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<tableCitation id="C68E0340322EFFC48109F8BC2EE6F852" box="[631,717,1915,1941]" captionStart="TABLE 4" captionStartId="20.[151,239,466,492]" captionTargetPageId="20" captionText="TABLE 4. Karyotype data of genus Holochilus. Species, diploid (2n) and fundamental (FN) numbers, collection localities, geographic coordinates and reference." pageId="17" pageNumber="18">Table 4</tableCitation>
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,
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<figureCitation id="13372A7E322EFFC481A7F8BC2F30F852" box="[729,795,1914,1941]" captionStart="FIGURE 5" captionStartId="18.[151,250,1554,1578]" captionTargetBox="[158,1429,641,1524]" captionTargetId="figure-232@18.[151,1436,633,1530]" captionTargetPageId="18" captionText="FIGURE 5. Distribution of diploid and fundamental number of karyotyped specimens of genus Holochilus. (■) H. brasiliensis; (□) H. chacarius; (l) H. sciureus; (○) H. venezuelae; (▲) H. vulpinus." figureDoi="http://doi.org/10.5281/zenodo.4423627" httpUri="https://zenodo.org/record/4423627/files/figure.png" pageId="17" pageNumber="18">Fig. 5</figureCitation>
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), and was resulted from multiple Robertsonian translocations (
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<bibRefCitation id="EF9D4B0A322EFFC483A2F8582DDEF87E" author="Nachman, M. W. & Myers, P." box="[220,501,1951,1977]" pageId="17" pageNumber="18" pagination="6666 - 6670" refId="ref70167" refString="Nachman, M. W. & Myers, P. (1989) Exceptional chromosomal mutations in a rodent population are not strongly underdominant. Proceedings of the National Academy of Sciences, 86, 6666 - 6670. https: // doi. org / 10.1073 / pnas. 86.17.6666" type="journal article" year="1989">Nachman & Myers 1989</bibRefCitation>
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;
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<bibRefCitation id="EF9D4B0A322EFFC4817EF8582E90F87E" author="Nachman, M. W." box="[512,699,1951,1977]" pageId="17" pageNumber="18" pagination="10 - 16" refId="ref70072" refString="Nachman, M. W. (1992 a) Geographic patterns of chromosomal variation in South American marsh rats, Holochilus brasiliensis and H. vulpinus. Cytogenetics and Cell Genetics, 61, 10 - 16. https: // doi. org / 10.1159 / 000133361" type="journal article" year="1992">Nachman 1992a</bibRefCitation>
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). Furthermore, two different
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<typeStatus id="54B78859322EFFC48080F8582812F87E" box="[1022,1081,1951,1977]" pageId="17" pageNumber="18">types</typeStatus>
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of supernumerary chromosome were reported: B1 was a small to large metacentric or submetacentric chromosome that contains only centromeric heterochromatin, and B2 was a small acrocentric chromosome that was largely heterochromatic. The authors reported a pericentromeric inversion of a single X chromosome in one female, terminal euchromatic addition to the short arm of the X chromosome in nine specimens, euchromatic addition adjacent to the pericentromeric region in one autosomal pair of two specimens, and one female with only one X chromosome (
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<bibRefCitation id="EF9D4B0A322DFFC78705FEC429BCFEDA" author="Nachman, M. W. & Myers, P." box="[1147,1431,259,285]" pageId="18" pageNumber="19" pagination="6666 - 6670" refId="ref70167" refString="Nachman, M. W. & Myers, P. (1989) Exceptional chromosomal mutations in a rodent population are not strongly underdominant. Proceedings of the National Academy of Sciences, 86, 6666 - 6670. https: // doi. org / 10.1073 / pnas. 86.17.6666" type="journal article" year="1989">Nachman & Myers 1989</bibRefCitation>
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;
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<bibRefCitation id="EF9D4B0A322DFFC783E9FEE02D79FE86" author="Nachman, M. W." box="[151,338,295,321]" pageId="18" pageNumber="19" pagination="10 - 16" refId="ref70072" refString="Nachman, M. W. (1992 a) Geographic patterns of chromosomal variation in South American marsh rats, Holochilus brasiliensis and H. vulpinus. Cytogenetics and Cell Genetics, 61, 10 - 16. https: // doi. org / 10.1159 / 000133361" type="journal article" year="1992">Nachman 1992a</bibRefCitation>
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).
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</paragraph>
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<paragraph id="8BB336FB322DFFC783B9FE8C2899FDA6" blockId="18.[151,1437,151,609]" pageId="18" pageNumber="19">
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In the original report,
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<bibRefCitation id="EF9D4B0A322DFFC782B4FE8C2ED5FEA2" author="Nachman, M. W. & Myers, P." box="[458,766,331,357]" pageId="18" pageNumber="19" pagination="6666 - 6670" refId="ref70167" refString="Nachman, M. W. & Myers, P. (1989) Exceptional chromosomal mutations in a rodent population are not strongly underdominant. Proceedings of the National Academy of Sciences, 86, 6666 - 6670. https: // doi. org / 10.1073 / pnas. 86.17.6666" type="journal article" year="1989">Nachman & Myers (1989)</bibRefCitation>
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, and latter
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<bibRefCitation id="EF9D4B0A322DFFC780FDFE8C2879FEA2" author="Nachman, M. W." box="[899,1106,331,357]" pageId="18" pageNumber="19" pagination="10 - 16" refId="ref70072" refString="Nachman, M. W. (1992 a) Geographic patterns of chromosomal variation in South American marsh rats, Holochilus brasiliensis and H. vulpinus. Cytogenetics and Cell Genetics, 61, 10 - 16. https: // doi. org / 10.1159 / 000133361" type="journal article" year="1992">Nachman (1992a)</bibRefCitation>
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, considered the fundamental number as the number of all chromosome arms, including sex and B chromosomes. Here the fundamental number was given as the number of autosomal arms, excluding sex and supernumerary chromosomes. A karyotype with 2n = 48 and FN = 60, was reported by
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<bibRefCitation id="EF9D4B0A322DFFC78150FE702F61FE15" author="Gardner, A. L. & Patton, J. L." box="[558,842,439,466]" pageId="18" pageNumber="19" pagination="1 - 48" refId="ref67114" refString="Gardner, A. L. & Patton, J. L. (1976) Karyotypic variation in Oryzomyine rodents (Cricetinae) with comments on chromosomal evolution in the Neotropical Cricetine complex. Occasional papers of the Museum of Zoology, 49, 1 - 48." type="journal article" year="1976">Gardner & Patton (1976)</bibRefCitation>
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for a sample from
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<collectingCountry id="F31B766B322DFFC7875AFE7028A6FE16" box="[1060,1165,439,465]" name="Paraguay" pageId="18" pageNumber="19">Paraguay</collectingCountry>
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, however this specimen presented a submetacentric X chromosome, that accounts for the difference from the former karyotype.
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<bibRefCitation id="EF9D4B0A322DFFC7865FFE1C2CC9FDDD" author="Vidal, O. R. & Riva, R. & Baro, N. I." pageId="18" pageNumber="19" pagination="75 - 85" refId="ref74728" refString="Vidal, O. R., Riva, R. & Baro, N. I. (1976) Los cromosomas del genero Holochilus. I. Polimorfismo en H. chacarius Thomas (1906). Physis, 35, 75 - 85." type="journal article" year="1976">
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Vidal
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<emphasis id="B978EAE9322DFFC7861AFE1C29BEFE32" box="[1380,1429,475,501]" italics="true" pageId="18" pageNumber="19">et al</emphasis>
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. (1976)
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</bibRefCitation>
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reported a karyotype variation for genus
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<taxonomicName id="4C0C4D78322DFFC781CDFE382F05FDDE" authorityName="Brandt" authorityYear="1835" box="[691,814,511,537]" class="Mammalia" family="Muridae" genus="Holochilus" kingdom="Animalia" order="Rodentia" pageId="18" pageNumber="19" phylum="Chordata" rank="genus">
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<emphasis id="B978EAE9322DFFC781CDFE382F05FDDE" box="[691,814,511,537]" italics="true" pageId="18" pageNumber="19">Holochilus</emphasis>
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</taxonomicName>
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, 2n = 50–54 and FN = 56–60, for samples from
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<collectingCountry id="F31B766B322DFFC78633FE382CEAFDFA" name="Argentina" pageId="18" pageNumber="19">Argentina</collectingCountry>
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that seems to belong to
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<taxonomicName id="4C0C4D78322DFFC782B4FDE42E72FDFA" baseAuthorityName="Thomas" baseAuthorityYear="1906" box="[458,601,547,573]" class="Mammalia" family="Muridae" genus="Holochilus" kingdom="Animalia" order="Rodentia" pageId="18" pageNumber="19" phylum="Chordata" rank="species" species="chacarius">
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<emphasis id="B978EAE9322DFFC782B4FDE42E72FDFA" box="[458,601,547,573]" italics="true" pageId="18" pageNumber="19">H. chacarius</emphasis>
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</taxonomicName>
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. We assumed this correlation, as this variability of diploid and fundamental number was described only for
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<taxonomicName id="4C0C4D78322DFFC78287FD802EA2FDA6" baseAuthorityName="Thomas" baseAuthorityYear="1906" box="[505,649,583,609]" class="Mammalia" family="Muridae" genus="Holochilus" kingdom="Animalia" order="Rodentia" pageId="18" pageNumber="19" phylum="Chordata" rank="species" species="chacarius">
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<emphasis id="B978EAE9322DFFC78287FD802EA2FDA6" box="[505,649,583,609]" italics="true" pageId="18" pageNumber="19">H. chacarius</emphasis>
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</taxonomicName>
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, and due to the proximity of collection localities.
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</paragraph>
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</subSubSection>
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</treatment>
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